* {
  padding: 0;
  margin: 0;
  line-height: 1.5;
  font-size: 14px;
  list-style: none;
  border: 0;
  box-sizing: border-box;
}

body {
  background-color: #f9f9f9;
  color: #333;
  #app {
    //background-color: red;
  }
}